3-Ethylbenzenesulfonic acid
Also known as: 3-ETHYLBENZENESULFONIC ACID, m-Ethylbenzenesulfonic acid, Benzenesulfonic acid, 3-ethyl-, 3-ethyl-benzenesulfonic acid, 3-Aethyl-benzolsulfonsaeure, m-Aethyl-benzolsulfonsaeure
3-Ethylbenzenesulfonic acid (CAS 138-29-4) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C8H10O3S and a molecular weight of 186.22800 g/mol. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 138-29-4
- Jingsj CID
- J-44455-3
- Molecular Formula
- C8H10O3S
- Molecular Weight
- 186.22800 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Exact Mass | 186.03500 |
|---|---|
| PSA | 62.75000 |
| LogP | 2.57650 |
Customs & Trade Information
| HS Code | 2904100000 |
|---|---|
| Summary | 2904100000 derivatives containing only sulpho groups, their salts and ethyl esters。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:5.5%。General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of 3-Ethylbenzenesulfonic acid?
The CAS number of 3-Ethylbenzenesulfonic acid is 138-29-4.
What are the molecular formula and molecular weight of 3-Ethylbenzenesulfonic acid?
3-Ethylbenzenesulfonic acid has molecular formula C8H10O3S and molecular weight 186.22800 g/mol.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "3-Ethylbenzenesulfonic acid (CAS 138-29-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-44455-3 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.